<!DOCTYPE html>

C:\d\Chrome\Application\chrome.exe    --app=file:///C:/0workspace/atiplat_spiderJs/index.html
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title>标题栏</title>
</head>
<body>
halo
<input type="file"  id="filex"  onchange="chg()"/>
<Script>
function chg(){
alert(filex.value);

}

</script>
</body>
</html>